Oregon Scientific Heart Rate Monitor SE120 User Manual

User Mode .................................................................9  
Activity Level ...........................................................9  
About the Fitness Index ...........................................10  
FitnessIndex...........................................................10  
ViewFitnessIndex..................................................10  
About the Smart Training Program (Timer Mode) ..10  
Training Intensity Levels .......................................11  
Calculating Maximum / Lower / Upper Heart Rate Limit .12  
Using the Smart Training Program ........................12  
ViewDataWhileSmartTrainingProgramisRunning.13  
View Smart Training Program Records ................13  
Saving Records .....................................................13  
Heart Rate Alert ......................................................14  
Stopwatch Mode (Chrono) .....................................14  
View Date While Stopwatch is Running ...............15  
View Stopwatch Records ......................................15  
Saving Records......................................................15  
Timer / Stopwatch Memory Mode ...........................15  
Backlight ..................................................................16  
Training Information ...............................................16  
How the Heart Rate Monitor Helps You ................16  
Training Tips .........................................................16  
Specifications ..........................................................17  
Warnings ..................................................................18  
Aquatic and Outdoor Activities ..............................19  
Tips for Keeping Your Watch Fit ...........................19  
About Oregon Scientific ........................................19  
EU-Declaration of Conformity ...............................20  
Heart Rate Monitor Watch with Target  
Calorie Function  
Model: SE120  
USER MANUAL  
CONTENTS  
Introduction................................................................2  
KeyFeatures...............................................................2  
Watch ......................................................................2  
LCD Display ............................................................3  
Getting Started ..........................................................4  
Unpacking the Watch ..............................................4  
Batteries ..................................................................4  
Wearing the Chest Belt and Watch .........................5  
Transmission Signal ................................................6  
Switching Between Main Modes ..............................7  
Prompt Screens .........................................................7  
Clock Mode ................................................................7  
Setting the Clock .....................................................7  
Clock Display Mode ..................................................8  
nd  
2
Time Zone ........................................................8  
Keypad Tone ...........................................................8  
Alarm Mode ...............................................................8  
Setting the Alarm ....................................................8  
Activating / Deactivating the Alarm ........................8  
Turning the Alarm OFF ...........................................9  
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1. MEM / -: Display training records; decrease setting  
value; keypad tone ON / OFF  
2. LCD display  
3. MODE: Switch to another display.  
4. ST / SP / +: Start / stop timer; increase setting value;  
toggle time zone  
1.  
2.  
3.  
: Stopwatch mode  
: Timer mode  
: Battery status  
4. Large display: Shows current time / alarm time /  
zone time / menu items / heart rate  
5. Small display: Shows date / mode / stopwatch /  
sub-menu items  
6.  
7.  
5.  
: Turn on backlight for 3 seconds.  
6. SET: Enter setting mode; select another setting  
option; display different information during training.  
: Displays text or heart rate information  
: Heart rate icon  
8.  
9.  
: Keypad tone is OFF  
: Alarm mode  
: 2 time zone  
: Average heart rate display  
: Calorie consumption display  
: Body weight unit  
LCD DISPLAY  
nd  
10.  
11.  
12.  
13.  
14.  
: Maximum heart rate display  
 
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1. Turn the watch over so that  
you are looking at the back  
plate.  
2. Disconnect the watchstrap as  
shown.  
GETTING STARTED  
UNPACKING THE WATCH  
When you unpack your Heart Rate Monitor Watch,  
make sure to keep all the packing materials in a safe  
place, in case you need to later transport or return the  
product for servicing.  
In this box, you will find:  
• Watch  
• Chest belt  
• Mounting bracket  
• 2 x CR2032 lithium batteries  
3. Using  
a
small screwdriver,  
remove the four screws  
that hold the back plate into  
position.  
4. Remove the back plate and  
set it aside.  
NOTE Do not dispose this product as unsorted  
municipal waste. Collection of such waste separately  
for special treatment is necessary.  
5. Using a thin blunt instrument,  
hook the release catch and  
lift the clip.  
6. Remove the old battery.  
7. Insert new battery with + side  
facing upwards.  
BATTERIES  
2 x CR2032 lithium batteries – one for the watch  
and another for the chest belt – both are already  
installed. The batteries typically last one year. We highly  
recommend that you contact the retailer or our  
customer service department if you need to replace  
8. Replace the battery clip.  
9. Reset the watch by inserting  
a thin metal instrument into  
the reset hole.  
10. Replace the back plate and  
screws.  
them.  
shows when the battery is low.  
To replace the watch battery:  
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To replace the chest belt battery:  
The batteries supplied must not be recharged,  
reactivated by any other means, dismantled, put into  
fire or short-circuited.  
WEARING THE CHEST BELT AND WATCH  
CHEST BELT  
The heart rate chest belt is used to count your  
heartbeat and transmit the data to the watch. To wear  
the chest belt:  
1. Locate the battery compartment on the back of the  
chest belt.  
1. Wet the conductive pads on the  
underside of the chest belt with a  
few drops of water or a conductive  
gel to ensure solid contact.  
2. Strap the heart rate chest belt  
across your chest. To ensure an  
accurate heart rate signal, adjust  
the strap until the belt sits snugly  
below your pectoral muscles.  
2. Using  
a
coin twist the compartment lid  
counter-clockwise until it clicks out of place.  
3. Remove the old battery.  
4. Insert the new battery with the + side upwards.  
5. Replace the battery compartment lid by twisting it  
clockwise until it is firmly in place.  
IMPORTANT  
Non-rechargeable and rechargeable batteries must  
be disposed of properly. For this purpose, special  
containers are provided for non-rechargeable  
and rechargeable battery disposal at communal  
collection centers.  
TIPS  
The position of the chest belt affects its  
performance. Move the chest belt along the strap so  
that it falls above your heart. Avoid areas with dense  
chest hair.  
In dry, cold climates, it may take several minutes for  
the chest belt to function steadily. This is normal and  
should improve with several minutes of exercise.  
Batteries are extremely dangerous when swallowed!  
Therefore, keep batteries away from infants. If a  
battery has been swallowed seek immediate  
medical advice.  
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follow the instructions below to identify and resolve the  
situation:  
• Shorten the distance between the chest belt and  
watch.  
NOTE If the watch is kept idle without receiving a heart  
rate signal for 5 minutes, the heart rate receiver will  
turn off.  
• Re-adjust the position of the chest belt.  
• Check the conductive pads are moist enough to  
ensure solid contact.  
WATCH  
• Check the batteries. Low or exhausted batteries may  
adversely affect transmission range.  
WARNING Signal interference in the environment  
can be due to electromagnetic disturbances. These  
may occur near high voltage power lines, traffic lights,  
overhead lines of electric railways, electric bus lines or  
trams, televisions, car motors, bike computers, some  
motor driven exercise equipment, cellular phones  
or when you walk through electric security gates.  
Under interference, the heart rate reading may become  
unstable and inaccurate.  
You can wear the receiver watch on your wrist or strap  
it to a bike or exercise machine.  
TRANSMISSION SIGNAL  
NOTE If the watch is kept idle without receiving a heart  
rate signal for 5 minutes, the Heart Rate receiver will  
turn off.  
The chest belt and watch have  
transmission range of about 62.5 centimeters (25  
inches). Flashes when the watch is receiving a  
a
maximum  
signal from the chest belt.  
In the event that you experience a weak signal (i.e.,  
the watch heart rate monitor will only show “0”) or your  
signal is disrupted by interference in the environment,  
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SWITCHING BETWEEN MAIN MODES  
PROMPT SCREENS  
In some Main Mode and Setting displays a prompt  
screen will appear when you press SET. Press and hold  
SET if you wish to enter and proceed with the prompt  
action or press MODE to exit this display.  
There are 6 main modes. Each main mode displays  
a banner screen telling you which mode you are  
entering. After  
1
second the banner screen is  
automatically replaced by the main mode screen. Press  
MODE to switch between the main modes:  
SCREEN  
DISPLAY  
PROMPT  
SCREEN  
PROMPT  
ACTION  
MODE BANNER MAIN  
MODE  
MODE BANNER MAIN  
MODE  
CLOCK / ALARM  
/ USER PROFILE  
MAIN MODE  
TIMER / STOP-  
WATCH MAIN  
MODE  
Enter Clock / Alarm  
/ User Setting  
Mode  
CLOCK  
TIMER  
MEMORY  
ALARM  
Reset Timer /  
Stopwatch  
STOP-  
WATCH  
Enter Timer /  
TIMER / STOP-  
WATCH SETTING  
MODE  
Stopwatch Setting  
Mode  
USER  
PROFILE  
Delete total calorie and  
fat burn or individual  
memory, i.e., MEM.1  
MEMORY MAIN  
MODE  
The modes are described in the sections that follow.  
NOTE You cannot run the Timer or Stopwatch at the  
same time. If you have been using the Timer and do not  
reset it after use, you will not be able to view the main  
mode stopwatch screen and vice-versa.  
CLOCK MODE  
SETTING THE CLOCK  
The real-time clock is the default display for the watch.  
To set the real-time clock:  
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1. Press MODE to switch to Clock  
Mode.  
2. Press and hold SET until the first  
setting flashes.  
When you set the hour, minute, second, year, month  
and date in the Clock Setting Mode, you will be setting  
the permanently selected T1 or T2 time.  
KEYPAD TONE  
To toggle between keypad tone ON and OFF, press  
3. Press ST / SP / + or MEM / - to change the setting.  
Hold to speed through the options. Press SET to  
confirm the setting and move on to the next one.  
4. Repeat step 3 to change other settings for this  
mode.  
MEM / -.  
appears when the keypad tone is OFF.  
ALARM MODE  
SETTING THE ALARM  
5. The setting sequence is 12 / 24 hour clock format,  
hour, minute, second, date format, year, month and  
date.  
To set the alarm:  
1. Press MODE to switch to Alarm  
Mode.  
6. Press MODE to exit the setting mode at any time.  
2. Press and hold SET until the first  
setting flashes.  
NOTE The clock is programmed with  
auto-calendar, which means you do not need to reset  
the days of the week and dates each month.  
a
50-year  
3. Press ST / SP / + or MEM / - to change the setting.  
Hold to speed through the options. Press SET to  
confirm the setting and move on to the next one.  
4. Repeat step 3 to change other settings for this  
mode.  
CLOCK DISPLAY MODE  
You can change the 2nd time zone and keypad tone  
when you are in the Clock Display Mode.  
5. The setting sequence is hour and minute.  
2nd TIME ZONE  
ACTIVATING / DEACTIVATING THE ALARM  
To toggle between time zone 1 and 2, press ST / SP /  
+. Press and hold to change the time zone to T1 or T2  
permanently.  
1. Press MODE to navigate to Alarm Mode.  
2. Press ST / SP / + to activate or deactivate the alarm.  
appears when the alarm is activated.  
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Once you complete your user profile, a fitness index will  
appear on the watch. Refer to the “About the Fitness  
Index” section for further information.  
TURNING THE ALARM SOUND OFF  
To silence the alarm press any key.  
USER MODE  
You can display and adjust your user profile at any time.  
To browse the user profile information, press MEM / -.  
To access the full benefits of the watch, set up your  
user profile before you exercise. This will automatically  
generate a fitness index. This calculation along with the  
calorie and fat burned will help you track your progress  
over time.  
NOTE You must set up your user profile to use the  
calorie count and fat burn features.  
NOTE If the sex or age has been set, the Maximum  
Heart Rate (MHR) will be updated, as will the upper  
and lower limit for the target zone for both Timer and  
Stopwatch Mode.  
To set the user profile:  
1. Press MODE to switch to User  
Mode.  
2. Press and hold SET until the first  
setting flashes.  
ACTIVITY LEVEL  
The activity level is based on your own self-assessment  
of the amount of exercise you regularly perform.  
3. Press ST / SP / + or MEM / - to change the setting.  
Hold to speed through the options. Press SET to  
confirm the setting and move on to the next one.  
4. Repeat step 3 to change other settings for this  
mode.  
5. The setting sequence is sex, age, Maximum Heart  
Rate(MHR), unit for weight, weight, unit for height,  
height and activity level (0-2).  
6. Press MODE to exit the setting mode at any time.  
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lungs, heart, blood, circulatory system, and working  
muscles are all factors in determined VO2 Max. The  
unit of VO2 Max is ml/kg min.  
ACTIVITY  
LEVEL  
DESCRIPTION  
Low – You do not usually participate  
in programmed recreation sports or  
exercise.  
0
The higher the index, the fitter you are. See the tables  
below for a rough guide to what your fitness index  
means:  
Medium  
You are engaged in  
modest physical activity (such as  
golfing, horseback riding, table tennis,  
calisthenics, bowling, weight lifting or  
gymnastics) 2-3 times a week, totaling  
1 hour per week.  
FITNESS INDEX FOR MEN  
FITNESS INDEX FOR WOMEN  
1
60  
50  
40  
30  
20  
60  
50  
40  
30  
20  
15  
20  
25  
30  
35  
40  
22  
27  
32  
37  
42  
High  
You actively and regularly  
Fitness Index  
Fitness Index  
participate in heavy physical exercise  
(such as running, jogging, swimming,  
cycling, or skipping rope) or engage  
in vigorous aerobic exercise (such as  
tennis, basketball or handball).  
VIEW FITNESS INDEX  
2
Press MODE to navigate to the User  
Mode to display your fitness index.  
ABOUT THE FITNESS INDEX  
FITNESS INDEX  
ABOUT THE SMART TRAINING PROGRAM  
(TIMER MODE)  
Your watch generates a fitness index based on your  
aerobic fitness. This index is dependent and limited  
by the body’s ability to deliver oxygen to the working  
muscles in training. It is often measured by maximum  
oxygen uptake (VO2 Max), which is defined as the  
highest amount of oxygen that can be utilized when  
exercising at an increasingly demanding level. The  
The Smart Training Program enables you to complete  
exercise cycles effectively. It will guide you from a warm  
up to the end of your exercise program. In addition to  
monitoring your heart rate and alerting you whenever  
you fall out of the range for the selected upper / lower  
heart rate limit, the program allows you to check the  
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calories consumed and the percentage of fat burned.  
TRAINING INTENSITY LEVELS  
There are 3 training intensity levels:  
Different activities exercise the body in different ways  
and help you to achieve a variety of fitness goals. To  
accommodate this the Smart Training Program can be  
set to suit different exercise activities. For example,  
if you are running, your settings are likely to differ  
from those you would use when undertaking a weight  
training activity.  
TRAINING  
INTENSITY  
Health  
%MHR* DESCRIPTION  
0
1
60-70%  
This is the lowest  
training intensity level.  
It is good for beginners  
and those who want  
to strengthen their  
cardiovascular systems.  
Maintenance  
Also, the time you require to warm-up and complete  
an exercise will vary. That is why you can change the  
warm-up and exercise countdown time to suit you.  
Aerobic  
70%-80% Increases strength  
and endurance. It  
Exercise  
works within the  
body’s oxygen intake  
capability, burns more  
calories, and can be  
maintained for a long  
period of time.  
Generates speed and  
power. It works at or  
above the body’s  
oxygen intake  
NOTE Once you have set your user profile, your lower  
and upper heart rate limit will be set automatically.  
However, you can manually change your upper and  
lower heart rate limit if the automatic setting does not  
suit you. If you change the training intensity level your  
upper / lower and maximum heart rate will automatically  
be updated.  
2
Anaerobic  
Exercise  
80-90%  
capability, builds  
muscle, and cannot be  
maintained for a long  
period of time.  
* MHR = Maximum Heart Rate  
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To enter the Smart Training Program:  
1. Press MODE to switch to Timer  
CALCULATING MAXIMUM / LOWER / UPPER  
HEART RATE LIMIT  
Before you begin any exercise program and to achieve  
maximum health benefits from your workout, it is  
important to know your:  
• Maximum heart rate (MHR)  
• Lower heart rate limit  
• Upper heart rate limit  
Mode.  
2. Press and hold SET until the first  
setting flashes.  
3. Press ST / SP / + or MEM / - to change the setting.  
Hold to speed through the options. Press SET to  
confirm the setting and move on to the next one.  
4. Repeat step 3 to change other settings for this  
mode.  
To manually calculate your own heart rate limits, follow  
the instructions below:  
5. The setting sequence is training intensity, lower and  
upper heart rate limit, alert ON / OFF, target calorie  
value, target calories alert ON / OFF, timer hour,  
timer minute, timer second and warm-up time (0-10  
mins).  
MHR  
Male: MHR = 220 - age  
Female: MHR = 230 - age  
LOWER LIMIT MHR x lower target intensity %.  
E.g. Target intensity is 0  
Lower Limit = MHR x 60%  
6. Press MODE to exit the setting mode at any time.  
UPPER LIMIT  
MHR x upper target intensity %.  
E.g. Target intensity is 0  
Upper Limit = MHR x 70%  
TASK  
Start / stop  
timer  
INSTRUCTION  
Press ST / SP / +  
Stop / reset  
timer  
Press and hold SET. Once you stop  
any countdown timer you cannot  
resume the timer unless you reset  
it. When you reset the timer, it will  
automatically go back to the warm-  
up setting  
USING THE SMART TRAINING PROGRAM  
The Smart Training Program monitors your exercise  
performance once you have entered your user profile.  
NOTE You cannot use the Smart Training Program if  
you are running the stopwatch.  
Skip warm-up  
Press MEM / -  
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At the end of each countdown period you will hear 2  
beeps.  
VIEW SMART TRAINING PROGRAM RECORDS  
When the Smart Training Program has been paused  
or completed, press MEM / - to view the following  
records:  
NOTE appears when you are in the timer display, or  
when timer is running in the background.  
AVG HR FAT  
TRAINING BURNED  
AVG HR IN AVG HR BE- AVG  
ZONE TIME  
(Time spent  
HR  
LOW ZONE A B O V E  
TIME (Time ZONETIME  
NOTE The calories and fat burned will not be counted  
during the warm-up. When the target calorie number  
is reached an alert will sound and the target calorie  
amount will display for 5 seconds.  
TIME  
CALORIES  
without  
ex-  
MAX HR % MHR  
spent  
ex- (Time spent  
ceeding your  
upper or lower  
HR limit)  
ceeding your exceeding  
lower heart your upper  
rate limit)  
HR limit)  
NOTE  
will flash when you exceed your upper or  
lower heart rate limit.  
VIEW DATA WHILE SMART TRAINING PROGRAM  
IS RUNNING  
SAVING RECORDS  
During the training period, press MEM / - to toggle  
between the following screen displays:  
When you reset the Smart Training Program, the watch  
will automatically save the time and date of your training  
session, average heart rate, exercise time, max. heart  
rate, and fat and calories burned.  
HR* TIMER  
% MHR  
HR* TIMER HR* CALORIES HR* FAT BURNED  
% MHR % MHR % MHR  
If the memory is full, the display will show “FULL  
MEMORY”. Press ST / SP / + or MEM / - to toggle  
between the YES or NO delete screens. Press SET to  
confirm or MODE to quit without any action.  
* HR = Heart Rate  
The memory works on a first in, first out basis. For  
example, the oldest memory (i.e. no.1) will be deleted  
and the latest memory will become record no.20.  
NOTE You cannot use the stopwatch if you are running  
the Smart Training Program.  
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5. The setting sequence is training intensity, lower and  
upper heart rate limit, alert ON / OFF, target calorie  
value, target calories alert ON / OFF and warm-up  
time (0-10 mins).  
HEART RATE ALERT  
When the heart rate alert is activated, a sound alert  
(every 6 seconds), flashing heart rate reading and up  
or down arrow will appear on the display to show which  
heart rate limit you have surpassed.  
6. Press MODE to exit the setting mode at any time.  
Press MODE to navigate to Stopwatch Mode. You can  
now perform the following functions:  
STOPWATCH MODE (CHRONO)  
The stopwatch watch function is particularly beneficial  
to use when you are unsure how long your activity will  
take, or when you want to measure the time it takes to  
complete a task and your performance over that time.  
TASK  
INSTRUCTION  
Press ST / SP / +  
Press ST / SP / +  
Start stopwatch  
Pause / resume  
stopwatch  
Stop / clear stopwatch Press and hold SET. When  
you reset the stopwatch, it  
To get the most out of your stopwatch function complete  
your user profile. If you have not completed the user  
profile you will be unable to use the calorie and fat burn  
function.  
will automatically go back to  
the warm-up setting  
Press MEM / -  
Skip warm-up  
NOTE The calories and fat burned will not be counted  
during the warm-up. 2 beeps will signal the end of the  
warm-up session.  
To set the stopwatch:  
1. Press MODE to switch to Stopwatch  
Mode.  
2. Press and hold SET until the first  
setting flashes.  
NOTE The stopwatch begins measurement in min:  
sec:1/100 sec. After 59 minutes pass, the display will  
change to hrs:min:sec.  
3. Press ST / SP / + or MEM / - to change the setting.  
Hold to speed through the options. Press SET to  
confirm the setting and move on to the next one.  
4. Repeat step 3 to change other settings for this  
mode.  
NOTE You cannot use the Smart Training Program if  
you are running the stopwatch.  
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NOTE  
appears when you are in the stopwatch  
SAVING RECORDS  
display, or when stopwatch is running in the background.  
When you reset the stopwatch, the watch will  
automatically save the time and date of your training  
session, average heart rate, exercise time, max. heart  
rate, and fat and calories burned.  
NOTE  
will flash when you exceed your upper or  
lower heart rate limit.  
VIEW DATA WHILE STOPWATCH IS RUNNING  
During the training period, press MEM / - to toggle  
between the following screen displays:  
If the memory is full, the display will show “FULL  
MEMORY”. Press ST / SP / + or MEM / - to toggle  
between the YES or NO delete screens. Press SET to  
confirm or MODE to quit without any action.  
HR* TIMER  
% MHR  
HR* TIMER  
% MHR  
HR* CALORIES HR* FAT BURNED  
% MHR % MHR  
The memory works on a first in, first out basis. For  
example, the oldest memory (i.e., no.1) will be deleted  
and the latest memory will become record no.20.  
*HR = Heart Rate  
VIEW STOPWATCH RECORDS  
TIMER / STOPWATCH MEMORY MODE  
The watch automatically records the timer and  
stopwatch training sessions and stores up to 20 sessions.  
When the stopwatch training has been paused or  
completed, press MEM / - to view the following records:  
To view memory records:  
AVG HR  
TRAINING BURNED  
TIME CALORIES (Time  
MAX HR % MHR  
FAT  
AVG HR IN AVG  
ZONE TIME BELOW ZONE ABOVE ZONE  
spent TIME (Time TIME (Time  
without exceed- spent exceed- spent exceed-  
ing your upper or ing your lower ing your upper  
HR AVG  
HR  
Press MODE to switch to Memory  
Mode and view total calorie and fat  
burn.  
Press and hold SET to clear the total  
calorie and fat burn.  
lower HR limit)  
heart rate limit) HR limit)  
NOTE Total calorie consumption and fat burned is  
shown as an accumulated value from the moment the  
watch is powered on.  
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enables you to see and monitor results. This helps you  
assess your past performance, maximize your work out  
and adapt your future exercise program to achieve your  
desired goals in a safer and more effective way.  
When you exercise, the chest belt picks up your  
heartbeat and sends it to the watch. Now you can view  
your heart rate and start monitoring your performance  
based on your heart rate readings. As you get fitter,  
your heart will need to do less work and the speed of  
your heart rate will decrease. The reason for this is as  
follows:  
Press ST / SP / + to view the next memory record (i.e.  
MEM. 1, MEM. 2, etc).  
Press MEM / - to toggle between memory displays.  
To delete memory records:  
1. Press and hold SET.  
2. Press ST / SP / + to toggle between single or whole  
memory delete options.  
3. Press SET to confirm.  
4. Press MODE to exit.  
Your heart pumps blood to your lungs to obtain  
oxygen. Then, the oxygen rich blood will travel to  
your muscles. The oxygen is used as fuel and the  
blood leaves the muscles and returns to the lungs to  
begin the process again. As you get fit, your heart is  
able to pump more blood with every beat. As a result,  
your heart doesn’t have to beat as often to get the  
necessary oxygen to your muscles.  
BACKLIGHT  
To turn the backlight on for 3 seconds, press  
.
NOTE The backlight does not work when the low  
battery icon is shown and will return to normal once the  
batteries are replaced.  
TRAINING TIPS  
To gain the maximum benefit from your training  
program, and to ensure that you exercise safely, please  
observe the following guidelines:  
TRAINING INFORMATION  
HOW THE HEART RATE MONITOR HELPS YOU  
A heart rate monitor is the most important tool in  
cardiovascular health and an ideal training partner. It  
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Start with a well-defined training goal, such as to  
lose weight, keep fit, improve health or compete in a  
sporting event.  
Select a training activity you enjoy, and vary your  
training activities to exercise different muscle  
groups.  
Start slowly, and then gradually step up your work  
out as you become fitter. Exercise regularly. To  
maintain a healthy cardio-vascular system, 20-30  
minutes three times a week is recommended.  
Always allow at least five minutes before and after  
exercising for warm-up and cool-down.  
Measure your pulse after training. Then repeat the  
procedure again after three minutes. If it does not  
return to its normal resting rate, you may have  
trained too hard.  
STOPWATCH  
Stopwatch  
Resolution  
SMART TRAINING PROGRAM  
Warm-up timer  
Exercise timer  
PERFORMANCE TRACKING  
Heart rate (HR)  
alarm  
HR measuring range 30 to 240 bpm (beats per minute)  
Lower HR  
settable range  
Upper HR  
settable range  
Calories calculation 0 - 9,999 kcal for each memory record  
Total calories calculation 0 - 999,999 kcal  
Fat burning caculation 0 - 9999 grams each memory record  
Total fat burning 0 - 999, 999 grams  
calculation  
99:59:59 (HH:MM:SS)  
1/100 sec  
User-selectable up to 10 mins  
99:59:59(HH:MM:SS)  
Sound / visual  
30 to 220 bpm (beats per minute)  
80-240 bpm (beats per minute)  
Always check with your doctor before starting a  
vigorous training program.  
TRANSMISSION  
Range  
SPECIFICATIONS  
62.5 cm (25 inches) – may  
decrease with low battery  
WATER RESISTANT  
TYPE  
DESCRIPTION  
CLOCK  
Time format  
Date format  
Year format  
12 hr / 24 hr; Dual time zone  
DD / MM or MM / DD  
2005-2054 (auto-calendar)  
Daily alarm  
Watch  
30 m (approx. 100 feet)  
(not actuating keys)  
Splash-proof  
Chest belt  
Alarm  
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• Do not bend or stretch the transmitter part of the  
chest belt.  
• Check all major functions if the device has not been  
used for a long time. Maintain regular internal testing  
and cleaning of your device.  
• Do not dispose this product as unsorted municipal  
waste. Collection of such waste separately for special  
treatment is necessary.  
• Clean the watch and chest belt thoroughly after each  
training session. Never store the products when wet.  
• Use a soft, slightly moistened cloth to clean the  
product. Do not use abrasive or corrosive cleaning  
agents, as these may scratch the plastic parts and  
corrode the electronic circuit.  
POWER  
Watch  
Chest belt  
1 x CR2032 3V lithium battery  
1 x CR2032 3V lithium battery  
OPERATING ENVIRONMENT  
Operation  
temperature  
Storage  
5°C to 40°C (41°F to 104°F)  
-20°C to 70°C (-4°F to 158°F)  
temperature  
WARNINGS  
To ensure you use your product correctly and safely,  
read these warnings and the entire user manual before  
using the product. The warnings given here provide  
important safety information and should be observed  
at all times.  
• Avoid pressing the keys with wet fingers, under water,  
or in heavy rain, as this may allow water to gain entry  
into the electrical circuitry.  
• The product is a precision instrument. Never attempt  
to take this device apart. Contact the retailer or our  
customer service department if the product requires  
servicing.  
• Do not touch the exposed electronic circuitry, as there  
is a danger of electric shock.  
Take precautions when handling all battery types.  
• Remove the batteries before storing the product for a  
long period of time.  
• Do not use the chest belt in aircrafts or hospitals.  
The use of radio frequency products can cause  
malfunctions in the control devices of other  
equipment.  
• Do not subject the product to excessive force, shock,  
dust, temperature changes, or humidity. Never  
expose the product to direct sunlight for extended  
periods. Such treatment may result in malfunction,  
a shorter electronic life span, damaged batteries, or  
distorted parts.  
• Do not tamper with the internal components. Doing  
so will terminate the product warranty and may cause  
damage. The main unit contains no user-serviceable  
parts.  
• Do not scratch hard objects against the LCD display  
as this may cause damage.  
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• Remove the batteries whenever you are planning to  
store the product for a long period of time.  
• When replacing batteries, use new batteries as  
specified in this user manual. Do not mix new and old  
batteries, or batteries of different types.  
ABOUT OREGON SCIENTIFIC  
more about Oregon Scientific products such as digital  
cameras; MP3 players; children’s electronic learning  
products and games; projection clocks; health and  
fitness gear; weather stations; and digital and  
conference phones.  
AQUATIC AND OUTDOOR ACTIVITIES  
The watch is water-resistant up to 30 meters. The  
chest belt is splash proof and should not be worn for  
underwater activities.  
The website also includes contact information for our  
Customer Care department in case you need to reach  
us, as well as frequently asked questions and customer  
downloads. We hope you will find all the information  
you need on our website, however if you’re in the  
US and would like to contact the Oregon Scientific  
Customer Care department directly, please visit:  
www2.oregonscientific.com/service/default.asp  
OR  
When using the watch for aquatic or outdoor sports  
activities, observe the following guidelines:  
• Do not press the keys under water or with wet fingers.  
All settings should be set before entering water.  
• Rinse with water and mild soap after use.  
• Do not use in hot water.  
Call 1-800-853-8883.  
TIPS FOR KEEPING YOUR WATCH FIT  
Keep your watch water resistant! Avoid chemicals  
(gasoline, chlorine, perfumes, alcohol, hair sprays,  
etc.). Rinse after use. Reduce exposure to heat. Have  
your watch serviced by an approved service center  
annually.  
For international inquiries, please visit:  
www2.oregonscientific.com/about/international.asp  
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EU-DECLARATION OF CONFORMITY  
Hereby, Oregon Scientific, declares that this  
SmartHeart Heart Rate Monitor Watch with Target  
Calorie Function (SE120) is in compliance with EMC  
directive 89/336/CE. A copy of the signed and dated  
Declaration of Conformity is available on request via  
our Oregon Scientific Customer Service.  
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